Change the supported systems and minimum Ansible version to more current versions.

Simplify setup of mailsink dependency.

README.md

@@ -11,7 +11,7 @@ Requirements
 
 - aptitude or python-apt (required by apt tasks)
 - python > 2.5 (required by ini_file tasks)
-- Ansible >= 1.8.0
+- Ansible >= 2.0
 
 This role is designed to work against a modern Ubuntu system.  (Tested on Ubuntu 13.10 and 14.04)  It should 
 theoretically work on older versions of Ubuntu or Debian based systems.

handlers/main.yml

@@ -1,2 +0,0 @@
----
-# handlers file for ansible-rookeries

meta/main.yml

@@ -9,6 +9,7 @@ galaxy_info:
   - name: Ubuntu
     versions:
     - trusty
+    - xenial
   categories:
   - development
   - web

tasks/dev_email_server.yaml

@@ -5,7 +5,7 @@
   when: rookeries_environ_type == "dev"
 
 - name: upload supervisor configuration to web server home
-  template: src=dev_supervisor/mailsink_supervisor.conf dest=/etc/supervisor/conf.d/mailsink_supervisor.conf
+  template: src=mailsink_supervisor.conf dest=/etc/supervisor/conf.d/mailsink_supervisor.conf
   sudo: yes
   when: rookeries_environ_type == "dev"